Capture rate of offshore fish species
Orignal name of the indicator: offshore catch per unit of effort
PSBR model type
Proportion of fish stocks within biologically sustainable levels
Aichi Biodiversity Targets
Target 6: By 2020 all fish and invertebrate stocks and aquatic plants are managed and harvested sustainably, legally and applying ecosystem based approaches, so that overfishing is avoided, recovery plans and measures are in place for all depleted species, fisheries have no significant adverse impacts on threatened species and vulnerable ecosystems and the impacts of fisheries on stocks, species and ecosystems are within safe ecological limits.
The ratio of "yield of catch" to "working time (effort)"is called Yield of Catch Per Unit Effort (CPUE). However, there is no effort data available, therefore it is impossible to calculate the CPUE. As a result, VDR (voyage data recorder) data is used to standardize "working time" and in combination with the data from investigation reports of each port to estimate the "Catch Rate".
Definition and Calculation
To estimate the catch rate, specific area (space), time (year, month, day), and representative fishing gears/methods are first set, then the data of VDR is used, which is calculated as nautical operation time－sailing time ＝ operation time, in combination with the capture data of various fishing gear and methods reported by each port.
No data currently available
Data Management Authorities
Fisheries Agency, Council of Agriculture